Constipation and IBS: how to understand your gut better

This episode does something unusual in digestive health: it talks about constipation, bloating, IBS, and stool without embarrassment, but also without making the problem sound trivial. Mel Robbins speaks with Harvard neurogastroenterologist Trisha Pasricha, and the conversation makes it clear that the gut is not just a tube that processes food. It is a nervous system in its own right, an immune organ, a producer of neurotransmitters, and a constant source of signals to the brain. That framework changes how we interpret symptoms that many people normalize or hide, from being unable to use a public restroom to living with pain, gas, bloating, or an incomplete sense of evacuation.

The gut is also a brain

Pasricha keeps returning to one idea: the gut is a brain. It has its own network of nerve cells, produces neurotransmitters such as dopamine and serotonin, and communicates continuously with the brain through the vagus nerve. The practical implication is important. Digestive symptoms are not just a local issue, and they are not always explained by saying something is “all in your head.” The gut brain axis runs both ways.

That helps explain why stress, anxiety, and digestion become so entangled in daily life. The episode does not make the lazy claim that everything is caused by stress. In fact, Pasricha argues that many people have spent years being told their symptoms are psychological when the gut is actually sending real signals that affect digestion, discomfort, mood, and behavior.

What counts as normal in the bathroom

One of the most useful sections is the one that defines normality with less rigidity. Pasricha explains that having a bowel movement anywhere from three times in one day to once every three days can still fall within the normal range if the person feels comfortable. That is helpful because it breaks the myth that there is only one healthy schedule.

But normality is not just about frequency. The episode treats each bowel movement as a kind of status report on gut function. The important observations are ease, strain, consistency, and how you feel afterward. If you have to push hard, if stool is very dry, or if you never feel fully emptied, the issue is no longer just a weekly count.

Stool as a daily clinical signal

Pasricha defends a very simple and practical idea: you do not need expensive testing before you start paying attention. Looking at your stool is not odd. It is basic information. The conversation is skeptical of complex third party stool tests that claim to explain everything when the first step is often to observe obvious patterns honestly.

That approach does not replace medical evaluation when it is needed, but it does restore common sense. If color, shape, effort, frequency, or comfort change, the body is giving a signal. The episode teaches people to stop ignoring it.

Fiber, posture, and the pelvic floor

The most actionable part of the episode comes when Pasricha moves from concepts to habits. On fiber, she gives a concrete range: about 21 grams per day for women over 50 and about 25 grams per day for women under 50. Her point is not that fiber solves every case. Her point is that meeting reasonable fiber targets often improves stool consistency and frequency.

The episode also includes an intervention that is almost comically simple but genuinely useful: raise the knees above the waist during a bowel movement. Based on the study she cites, some people who appeared to have pelvic floor dysfunction improved with that posture change alone. When pelvic floor dysfunction is the real issue, specialized pelvic floor physical therapy and biofeedback matter a lot, with improvement rates in the episode landing around 80% to 90% after several weeks of treatment.

The gut is not only digestion, it is context

Another strong contribution of the episode is that it places constipation and IBS inside a larger context. Food quality matters, inflammation matters, the environment matters, and the microbiome is actively fermenting what reaches the colon. Even diseases people usually imagine as far away from the digestive tract are discussed through the gut, because the gut brain axis raises questions about systemic inflammation and neurodegenerative disease.

That does not mean the gut explains every symptom in the body. It means ignoring the gut is a mistake. Many people spend years cycling through elimination diets, social embarrassment, and improvised fixes without knowing whether the main issue is stool consistency, motility, pelvic floor mechanics, or the way the enteric nervous system is regulating the whole experience.

What to do in a realistic way

The best lesson in the episode is that better gut health does not begin with an extreme protocol. It begins with observation, basic measurement, and correction of obvious levers. That means checking whether bowel frequency is actually comfortable, raising fiber thoughtfully, paying attention to strain, changing posture on the toilet, and not dismissing pelvic floor evaluation if there is a sense of blockage or incomplete emptying. It also means refusing to accept as “normal” a life shaped by bathroom anxiety, public restroom avoidance, or constipation every time routine changes.

Overall, Pasricha turns a taboo subject into a practical guide. The ending message is not that everyone needs supplements or expensive testing. It is that the gut sends usable signals every day and that learning to read them can improve digestion, stress, and quality of life long before the problem becomes more serious.